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Electron Collision Rate in Ultrashort Laser – Metal Interaction Inferred from Reflectivity Measurements

Autor: T. Genieys, M Sentis, Olivier Uteza

Publikováno v: Journal of Laser Micro/Nanoengineering
Journal of Laser Micro/Nanoengineering, 2021, ⟨10.2961/jlmn.2021.02.2010⟩
Journal of Laser Micro/Nanoengineering, Japan Laser Processing Society, 2021, ⟨10.2961/jlmn.2021.02.2010⟩

International audience; We study optical laser coupling of four metals (aluminum, copper, nickel and tungsten) upon single ultrashort 30-fs laser irradiation. Using dedicated experimental methodology, we carefully monitor the evolution of the materia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a59fd2f876e365552b3d71024552ecf5
https://hal-amu.archives-ouvertes.fr/hal-03412076/document

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Unravelling ultrashort laser excitation of nickel at 800 nm wavelength

Autor: Olivier Uteza, Marc Sentis, George D. Tsibidis, M. N. Petrakakis, T. Genieys

Publikováno v: Journal of Physics D: Applied Physics
Journal of Physics D: Applied Physics, IOP Publishing, 2021, 54 (49), pp.495302. ⟨10.1088/1361-6463/ac2274⟩
Journal of Physics D: Applied Physics, 2021, 54 (49), pp.495302. ⟨10.1088/1361-6463/ac2274⟩

International audience; The optical response of nickel is studied in a wide range of laser fluence, below and above the ablation threshold, by selfreflectivity measurements of ultrashort 800-nm single laser pulses. At the ablation threshold, the refl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faf543f3fc69248c5ed742fbc4566049
https://hal-amu.archives-ouvertes.fr/hal-03412067

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Measurement of ultrashort laser ablation of four metals (Al, Cu, Ni, W) in single pulse regime

Autor: T. Genieys, Olivier Uteza, Marc Sentis

Publikováno v: Advanced Optical Technologies
Advanced Optical Technologies, 2020, 9 (3), pp.131-143. ⟨10.1515/aot-2019-0064⟩

We provide measurements of the ablation of four post-transition and transition metals [aluminum (Al), copper (Cu), nickel (Ni) and tungsten (W)] irradiated by single 800 nm laser pulses, in ultrashort regime from 100 femtosecond (fs) pulse duration d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce80d97fbc5bb8b2a2a8eb9cb16a289b
https://hal-amu.archives-ouvertes.fr/hal-02982243/document

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Investigation of ultrashort laser excitation of aluminum and tungsten by reflectivity measurements

Autor: Olivier Uteza, T. Genieys, Marc Sentis

Publikováno v: Applied physics. A, Materials science & processing
Applied physics. A, Materials science & processing, 2020, 126 (4), ⟨10.1007/s00339-020-3440-9⟩
Applied physics. A, Materials science & processing, Springer Verlag, 2020, 126 (4), ⟨10.1007/s00339-020-3440-9⟩

International audience; We determine the laser-induced ablation threshold fluence in air of aluminum and tungsten excited by single near-infrared laser pulses with duration ranging from 15 fs to 100 fs. The ablation threshold fluence is shown constan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5854050cced7adfe949ec22463696e9d
https://hal-amu.archives-ouvertes.fr/hal-02982330/document

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